INSERT CUTTING TOOL Russian patent published in 2003 - IPC

FIELD: metalworking. SUBSTANCE: invention relates to cutting tools. Proposed cutting tool has housing, insert in form of wedge, cutting tip, holddown and insert fasteners. Holding is made stepped, spring-loaded, integral with insert to improve quality of metalworking, reliability and convenience in operation, to decrease overall dimensions and to provide reliable fastening of cutting tip. End holddown is in contact with front surface of cutting tip in one point. Insert and insert in cutting tool housing can be made in form of wedge with angle equal to that of insert, surfaces of wedge being formed by side surfaces of insert and socket. End of holddown in contact with cutting tip can made with two bevels in plan forming angle with vertex in point of contact. Lower surface of holddown is arranged relative to front surface of cutting tip at acute angle with vertex in point of contact. Insert can be secured in housing socket by fastening screw turned into threaded hole from side of support plane. Said threaded hole is made in insert and is designed for fastening cutting tip. EFFECT: improved quality of metalworking. 4 cl, 3 dwg